Hello there @AndroVijay,
This error code 3-0x0001000B usually means there is an issue with our servers, you are most likely to see this code, whilst there is an outage, degradation or maintenance ongoing on our servers.
To check on our server status at the time of seeing this error message, please use this link > https://rainbow6.ubisoft.com/status/: (https://rainbow6.ubisoft.com/status)
If there are no issues on the server at the time of seeing this error message, please try all of the following all of our Siege connectivity steps including port forwarding, to h...